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Finding the Third Proportional to 666,727,191 and 1,435,857,959.25

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Solution

The third proportional to 666,727,191 and 1,435,857,959.25 is: 3,092,251,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,727,191 : 1,435,857,959.25 = 1,435,857,959.25 : x
  2. Step 2: Convert to fraction form
    666,727,191/1,435,857,959.25 = 1,435,857,959.25/x
  3. Step 3: Cross multiply
    666,727,191x = 1,435,857,959.25 × 1,435,857,959.25
  4. Step 4: Simplify right side
    666,727,191x = 2,061,688,079,141,574,656
  5. Step 5: Solve for x
    x = 2,061,688,079,141,574,656/666,727,191
  6. Step 6: Final answer
    x = 3,092,251,384.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.